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A bone scan or bone scintigraphy / s ɪ n ˈ t ɪ ɡ r ə f i / is a nuclear medicine imaging technique used to help diagnose and assess different bone diseases. These include cancer of the bone or metastasis , location of bone inflammation and fractures (that may not be visible in traditional X-ray images ), and bone infection (osteomyelitis).
A medical isotope is an isotope used in medicine. The first uses of isotopes in medicine were in radiopharmaceuticals , and this is still the most common use. However more recently, separated stable isotopes have come into use.
Nuclear medicine imaging studies are generally more organ-, tissue- or disease-specific (e.g.: lungs scan, heart scan, bone scan, brain scan, tumor, infection, Parkinson etc.) than those in conventional radiology imaging, which focus on a particular section of the body (e.g.: chest X-ray, abdomen/pelvis CT scan, head CT scan, etc.).
Common side effects of ioflupane (123 I) are headache, vertigo, increased appetite and formication. Less than 1% of patients experience pain at the injection site. [7] The radiation risks are reported as low. The committed effective dose for a single investigation on a 70 kg individual is 4.6 mSv. [11] Pregnant patients should not undergo the test.
Iodine-123 (123 I) is a radioactive isotope of iodine used in nuclear medicine imaging, including single-photon emission computed tomography (SPECT) or SPECT/CT exams. The isotope's half-life is 13.2232 hours; [1] the decay by electron capture to tellurium-123 emits gamma radiation with a predominant energy of 159 keV (this is the gamma primarily used for imaging).
It is given by injection into a vein. [3] Common side effects include fever, joint pain, high blood pressure, diarrhea, and feeling tired. [3] Serious side effects may include kidney problems, low blood calcium, and osteonecrosis of the jaw. [3] Use during pregnancy may result in harm to the baby. [3] It is in the bisphosphonate family of ...
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It is injected into a vein and distributed throughout the body, where it is preferentially absorbed in areas where cancer has invaded the bone. The radioisotope 153 Sm, with a half-life of 46.3 hours, decays by emitting beta particles ( electrons ), which kill the nearby cells.